We are grateful to a number of individuals and institutions who have
donated hardcopies of journals for the purpose of scanning. The
following is a (possibly incomplete) list of individuals who have made
the most significant contributions:

Prof. Adriaan Blaauw (Rijksuniversiteit Groningen, The Netherlands)

Dr. Thomas Corbin (USNO, USA)

Prof. Hilmar DŘrbeck (University of MŘnster, Germany)

Dr. Mike Dworetsky (University of London Observatory, United Kingdom)

Dr. Martin Elvis (CfA, USA)

Prof. Jonathan Grindlay (CfA, USA)

Prof. John Huchra (CfA, USA)

Dr. Wolfgang Kalkofen (CfA, USA)

Prof. David Latham (CfA, USA)

Prof. Robert Noyes (CfA, USA)

Dr. Francois Ochsenbein (CDS, France)

Prof. Wayne Osborn (Central Michigan University, USA)

Prof. William Press (CfA, USA)

Prof. Jean-RenÚ Roy (UniversitÚ Laval, France)

Dr. Elizabeth Roemer (University of Arizona, USA)

Dr. Rudolph Schild (CfA, USA)

Prof. Fred Whipple (CfA, USA)

Among the list of librarians who have contributed extra copies of
serials and monographs to our digitization effort, we would like to thank: